Hi, You still feel the sour taste of the "kswapd craziness in v3.7" thread, right? Welcome to the hell, part two :{. I believe this started happening after update from 3.8.0-rc4-next-20130125 to 3.8.0-rc7-next-20130211. The same as before, many hours of uptime are needed and perhaps some suspend/resume cycles too. Memory pressure is not high, plenty of I/O cache: # free total used free shared buffers cached Mem: 6026692 5571184 455508 0 351252 2016648 -/+ buffers/cache: 3203284 2823408 Swap: 0 0 0 kswap is working very toughly though: root 580 0.6 0.0 0 0 ? S úno12 46:21 [kswapd0] This happens on I/O activity right now. For example by updatedb or find /. This is what the stack trace of kswapd0 looks like: [<ffffffff8113c431>] shrink_slab+0xa1/0x2d0 [<ffffffff8113ecd1>] kswapd+0x541/0x930 [<ffffffff810a3000>] kthread+0xc0/0xd0 [<ffffffff816beb5c>] ret_from_fork+0x7c/0xb0 [<ffffffffffffffff>] 0xffffffffffffffff Any ideas? thanks, -- js suse labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>